Wikipedia
Voiceserve
Voiceserve Inc. is a Delaware, USA telecommunications and softswitch company headquartered in Middlesex, United Kingdom and incorporated December 9, 2005. The company offers its own in-house developed VoIP, mobility, and IP-PBX software solutions with management, administration, billing, mobility, hosted IP-PBX, and softphone functionality found among its services, VoipSwitch, Call-to-PBX, and Vippie.